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| #332 | IIASA reports. -- Laxenburg : International Institute for Applied System Analysis, 1980-. -- ISSN 0250-7625 |
| #333 | Impact assessment and project appraisal. -- Guildford : Beech Tree Publishing, 1998-. -- ISSN 1461-5517 print. -- ISSN 1471-5465 online |
| #334 | Inland water biology. -- Moscow : Nauka/Interperiodica, 2008-. -- ISSN 1995-0829 print. -- ISSN 1995-0837 online |
| #335 | Integrated environmental assessment and management. -- Pensacola : Society of Environmental Toxicology and Chemistry, 2005-. -- ISSN 1551-3777 print. -- ISSN 1551-3793 online |
| #336 | Integrated pest management reviews. -- London : Chapman & Hall, 1995-. -- ISSN 1353-5226 print. -- ISSN 1572-9745 online |
| #337 | International Atomic Energy Agency bulletin : quarterly journal of the International Atomic Energy Agency. -- Vienna : International Atomic Energy Agency, 1959-. -- ISSN 0020-6067 print. -- ISSN 1564-2690 online |
| #338 | International environmental agreement: politics, law and economics. -- Dordrecht : Kluwer Academic Publishers, 2001-. -- ISSN 1567-9764 print. -- ISSN 1573-1553 online |
| #339 | International environmental technology. -- St Albans, England : International Labmate Ltd., 1990-. -- ISSN 0963-7362 |
| #340 | International Journal of Air Pollution. -- Velká Britanie : London : Pergamon Press, 1958-1960. -- ISSN 0367-8237 |